Question

c) A....includes all principle constituents food in proper quantity​

Answer 1

A balanced diet includes all principle constituents of food in proper quantity​.

A healthy human requires an adequate amount of carbohydrates, protein, fats, vitamins and minerals. These are required for the proper growth and functioning of the body. Carbohydrates are responsible for providing energy, protein as a building block, fats for protection, vitamin and minerals play an important role in immunity. A balanced diet is a proper proportionate combination of these components to provide the amount of each required by a healthy human.